THE STATE OF SOIL ORGANIC MATTER IN DIFFERENT PHYSICAL FRACTIONS DEPEND ON LAND USE TYPE

Authors

  • Mirza Tvica Faculty of Agriculture and Food Science, University of Sarajevo, Institute of PAM, Zmaja od Bosne 8, 71000 Sarajevo, Bosnia and Herzegovina

DOI:

https://doi.org/10.54652/rsf.2016.v1.i1.290

Keywords:

soil organic matter, physical fractions, type of land use

Abstract

UDK 631.417(497.6)

Known fact is that arable soils compared with correspondent native soils differ in the state of soil organic matter (SOM) and that agricultural practices halved content of soil organic carbon in last decades. Further, soil structure or aggregation mediates many biological and chemical processes in soil and influence on protecting of SOM. The objectives of this paper is to analyze how the different land use (forest, grassland and arable soil) effects on quality and quantity of SOM in different physical fraction. In particular, it is important to determine what pool (physically separated fraction) of SOM is most sensitive on cultivation and what pool is more resistant to mineralization.

The research is carried out on two soil type with different texture, Pseudogley and Terra rossa, in condition of different climate and soil management. Two groups of SOM analysis are singled out: 1) quantify SOC and N storage, and δ13C by horizons; and 2) quantify the SOC and N in the following physically separated fractions of SOM: a) coarse and fine particulated organic matter (POM) density <1.8 gcm-3; b) occluded POM in stable microaggregates 53-250 µm; and c) SOM in small microaggregates <53 µm.

References

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Published

01. 10. 2016.

How to Cite

Tvica, M. (2016). THE STATE OF SOIL ORGANIC MATTER IN DIFFERENT PHYSICAL FRACTIONS DEPEND ON LAND USE TYPE. Works of the Faculty of Forestry University of Sarajevo, 21(1), 138–150. https://doi.org/10.54652/rsf.2016.v1.i1.290

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Original scientific paper